As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, NR 1 ENGINE INBOARD AND OUTBOARD FAN COWL DEPARTED AIRCRAFT. A SHUTTER WAS FELT BY THE AIRCREW AND THE NR 1 ENGINE INSTRUMENT LIGHTS FLASHED AMBER AND THEN WENT TO NORMAL. THE NR 1 ENGINE OIL QUANTITY LIGHT REMAINED AMBER. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO ATL WITHOUT INCIDENT. INCIDENT UNDER INVESTIGATION. (M)